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Updated: Jun 17, 2025

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
Medical Management and Device-Based Therapies in Chronic Heart Failure
Andrew H Nguyen1, Madelyn Hurwitz2, Jacob Abraham3
1Inova Schar Heart and Vascular Institute, Inova Fairfax Medical Campus, Falls Church, Virginia.
Insights
Guideline-directed medical therapy for heart failure (HF) has advanced, but limitations persist. Device-based interventions offer promising solutions for managing chronic HF and improving patient outcomes.
Area of Science:
- Cardiology
- Medical Devices
Background:
- Heart failure (HF) is a leading cause of global morbidity and mortality.
- Current guideline-directed medical therapy (GDMT) offers advancements for HF with reduced ejection fraction (HFrEF) and HF with preserved ejection fraction (HFpEF).
Purpose of the Study:
- To review the current landscape of GDMT for chronic HF.
- To discuss limitations and barriers to GDMT implementation.
- To summarize device-based therapies for HF management.
Main Methods:
- Literature review of guideline-directed medical therapy for chronic heart failure.
- Analysis of limitations in medical therapy implementation and adherence.
- Review of established and emerging device-based interventions for all HF phenotypes.
Main Results:
- Despite medical advancements, significant barriers to GDMT implementation exist, including delays, tolerability, and cost.
- A substantial number of patients remain symptomatic with poor outcomes.
- Device-based interventions show promise and established efficacy across HF phenotypes.
Conclusions:
- Unmet clinical needs in HF management persist despite optimal medical therapy.
- Device-based therapies represent a growing and important area for improving outcomes in chronic heart failure.
- A comprehensive approach integrating medical and device therapies is crucial for effective HF management.
Abstract:
Heart failure (HF) remains a major cause of morbidity and mortality worldwide. Major advancements in optimal guideline-directed medical therapy, including novel pharmacological agents, are now available for the treatment of chronic HF including HF with reduced ejection fraction and HF with preserved ejection fraction. Despite these efforts, there are several limitations of medical therapy including but not limited to: delays in implementation and/or initiation; inability to achieve target dosing; tolerability; adherence; and recurrent and chronic costs of care. A significant proportion of patients remain symptomatic with poor HF-related outcomes including rehospitalization, progression of disease, and mortality. Driven by these unmet clinical needs, there has been a significant growth of innovative device-based interventions across all HF phenotypes over the past several decades. This state-of-the-art review will summarize the current landscape of guideline-directed medical therapy for chronic HF, discuss its limitations including barriers to implementation, and review device-based therapies which have established efficacy or demonstrated promise in the management of chronic HF.
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